improved unit tests / add a run_test function to test processors

tests/skipped/test_protobuf_serializer.py

@@ -0,0 +1,29 @@
+import unittest
+
+from pipecat.frames.frames import AudioRawFrame, TextFrame, TranscriptionFrame
+from pipecat.serializers.protobuf import ProtobufFrameSerializer
+
+
+class TestProtobufFrameSerializer(unittest.IsolatedAsyncioTestCase):
+    def setUp(self):
+        self.serializer = ProtobufFrameSerializer()
+
+    @unittest.skip("FIXME: This test is failing")
+    async def test_roundtrip(self):
+        text_frame = TextFrame(text="hello world")
+        frame = self.serializer.deserialize(self.serializer.serialize(text_frame))
+        self.assertEqual(frame, TextFrame(text="hello world"))
+
+        transcription_frame = TranscriptionFrame(
+            text="Hello there!", participantId="123", timestamp="2021-01-01"
+        )
+        frame = self.serializer.deserialize(self.serializer.serialize(transcription_frame))
+        self.assertEqual(frame, transcription_frame)
+
+        audio_frame = AudioRawFrame(data=b"1234567890")
+        frame = self.serializer.deserialize(self.serializer.serialize(audio_frame))
+        self.assertEqual(frame, audio_frame)
+
+
+if __name__ == "__main__":
+    unittest.main()